It needs to exhale air to speak, not inhale. The fact a human being can speak, does not mean, as much as you like to think that the person is inhaling adequate air to maintain consciousness or life.
You wish to argue anatomy, go learn a bit more about it.
I spent a few years studying speech. Speech pathology to be exact.
Believe me, you need a large amount of air to speak. In and out. He was also speaking loudly.
Plus it takes a lot of effort to breath and speak. He had the muscle power and air to say “I can’t breathe”.
Watch Krauthammer speak on Fox news if you don’t believe. He has to inhale very visibly to speak. It is very easy to see how much effort it takes to speak watching him.
Anatomy of the speech mechanism....that I DO know something about.
Are you a speech pathologist? An audiologist? A doctor with a specialty in the speech mechanism?
If not then I promise, my education in this area is more than adequate.
In order to exhale, one must first inhale.
DURRR HURRRRR.